RRHX Rising Stem Resilient Gate Valve
Description:
Rising stem resilient gate valve has general resilient seated gate valve’s advantage and at the same time can show the valve’s opening directly.It can open or close liable and quickly so is widely used in fire protection and industry system Generally the valve is installed in high position to the ground.
Material
|
Serial no. |
Part |
Material |
1 |
Handwheel |
Ductile iron |
2 |
Stem nut |
Copper alloy |
3 |
Support |
Grey cast iron,ductile cast iron,cast steel |
4 |
Gland |
ductile cast iron,cast steel |
5 |
Gasket |
Buna-N rubber or EPDM |
6 |
Stem |
Stainless steel |
7 |
Gasket |
Buna-N rubber or EDPM |
8 |
Disc |
Ductile cast iron packed with rubber or EDPM outside |
9 |
Body |
Greycast iron,ductile cast iron,cast steel |
|
|
|
Main technic-al parameters
|
Nominal pressure: 1.0-2.5MPaWorking temp.:0-120Flanged end:GB/T17241.6 GB9113,ASME 16.5 etc..
Nominal diameter: 50-400mmService:water,oils,gas etc..Inspection and test:GB 13927 API 598
|
Main dimensionsunit:mm
|
DN |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
L |
178 |
190 |
203 |
229 |
254 |
267 |
292 |
330 |
356 |
381 |
406 |
432 |
457 |
508 |
Hmin(full close) |
313 |
332 |
372 |
424 |
497 |
562 |
680 |
837 |
948 |
1010 |
1220 |
1280 |
1480 |
1665 |
Hmax(full open) |
355 |
375 |
415 |
476 |
540 |
600 |
720 |
875 |
990 |
1050 |
1245 |
1310 |
1560 |
1750 |
|
|
